2010-06-14 23:56:29 -07:00
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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2010-04-26 19:09:44 -07:00
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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2011-01-07 05:37:50 -08:00
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* the Mozilla Foundation.
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2010-04-26 19:09:44 -07:00
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Mark Steele <mwsteele@gmail.com>
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* Bas Schouten <bschouten@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <string.h>
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#include <stdio.h>
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#include "prlink.h"
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2010-10-12 14:01:59 -07:00
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#include "prenv.h"
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2010-04-26 19:09:44 -07:00
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2010-09-09 20:09:39 -07:00
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#include "nsThreadUtils.h"
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2010-12-16 23:49:42 -08:00
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#include "gfxPlatform.h"
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2010-04-26 19:09:44 -07:00
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#include "GLContext.h"
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2010-05-17 21:04:22 -07:00
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#include "GLContextProvider.h"
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2010-04-26 19:09:44 -07:00
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2011-03-02 12:50:36 -08:00
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#include "gfxCrashReporterUtils.h"
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2010-04-26 19:09:44 -07:00
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namespace mozilla {
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namespace gl {
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2010-10-12 14:01:59 -07:00
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#ifdef DEBUG
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// see comment near declaration in GLContext.h. Should be thread-local.
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GLContext* GLContext::sCurrentGLContext = nsnull;
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#endif
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2010-05-17 21:04:22 -07:00
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// define this here since it's global to GLContextProvider, not any
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// specific implementation
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const ContextFormat ContextFormat::BasicRGBA32Format(ContextFormat::BasicRGBA32);
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2010-04-26 19:09:44 -07:00
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#define MAX_SYMBOL_LENGTH 128
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#define MAX_SYMBOL_NAMES 5
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2010-05-17 21:04:22 -07:00
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PRBool
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LibrarySymbolLoader::OpenLibrary(const char *library)
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{
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PRLibSpec lspec;
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lspec.type = PR_LibSpec_Pathname;
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lspec.value.pathname = library;
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mLibrary = PR_LoadLibraryWithFlags(lspec, PR_LD_LAZY | PR_LD_LOCAL);
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if (!mLibrary)
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return PR_FALSE;
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return PR_TRUE;
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}
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2010-04-26 19:09:44 -07:00
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2010-05-17 21:04:22 -07:00
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PRBool
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LibrarySymbolLoader::LoadSymbols(SymLoadStruct *firstStruct, PRBool tryplatform, const char *prefix)
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{
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return LoadSymbols(mLibrary, firstStruct, tryplatform ? mLookupFunc : nsnull, prefix);
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2010-04-26 19:09:44 -07:00
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}
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PRFuncPtr
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LibrarySymbolLoader::LookupSymbol(PRLibrary *lib,
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const char *sym,
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PlatformLookupFunction lookupFunction)
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2010-04-26 19:09:44 -07:00
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{
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PRFuncPtr res = 0;
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// try finding it in the library directly, if we have one
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2010-05-17 21:04:22 -07:00
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if (lib) {
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res = PR_FindFunctionSymbol(lib, sym);
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2010-04-26 19:09:44 -07:00
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}
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2010-07-18 22:01:14 -07:00
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// then try looking it up via the lookup symbol
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if (!res && lookupFunction) {
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res = lookupFunction(sym);
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}
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// finally just try finding it in the process
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if (!res) {
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PRLibrary *leakedLibRef;
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res = PR_FindFunctionSymbolAndLibrary(sym, &leakedLibRef);
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}
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return res;
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}
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PRBool
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LibrarySymbolLoader::LoadSymbols(PRLibrary *lib,
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2010-06-14 23:56:29 -07:00
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SymLoadStruct *firstStruct,
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PlatformLookupFunction lookupFunction,
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const char *prefix)
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2010-04-26 19:09:44 -07:00
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{
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char sbuf[MAX_SYMBOL_LENGTH * 2];
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2010-07-18 22:01:14 -07:00
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int failCount = 0;
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2010-04-26 19:09:44 -07:00
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SymLoadStruct *ss = firstStruct;
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while (ss->symPointer) {
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*ss->symPointer = 0;
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for (int i = 0; i < MAX_SYMBOL_NAMES; i++) {
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if (ss->symNames[i] == nsnull)
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break;
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const char *s = ss->symNames[i];
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if (prefix && *prefix != 0) {
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strcpy(sbuf, prefix);
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strcat(sbuf, ss->symNames[i]);
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s = sbuf;
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}
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2010-05-17 21:04:22 -07:00
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PRFuncPtr p = LookupSymbol(lib, s, lookupFunction);
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if (p) {
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*ss->symPointer = p;
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break;
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}
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}
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if (*ss->symPointer == 0) {
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fprintf (stderr, "Can't find symbol '%s'\n", ss->symNames[0]);
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failCount++;
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}
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ss++;
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}
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2010-07-18 22:01:14 -07:00
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return failCount == 0 ? PR_TRUE : PR_FALSE;
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2010-04-26 19:09:44 -07:00
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}
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/*
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* XXX - we should really know the ARB/EXT variants of these
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* instead of only handling the symbol if it's exposed directly.
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*/
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PRBool
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GLContext::InitWithPrefix(const char *prefix, PRBool trygl)
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{
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2011-03-02 12:50:36 -08:00
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ScopedGfxFeatureReporter reporter("GL Context");
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2010-04-26 19:09:44 -07:00
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if (mInitialized) {
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reporter.SetSuccessful();
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return PR_TRUE;
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}
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SymLoadStruct symbols[] = {
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{ (PRFuncPtr*) &mSymbols.fActiveTexture, { "ActiveTexture", "ActiveTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fAttachShader, { "AttachShader", "AttachShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindAttribLocation, { "BindAttribLocation", "BindAttribLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindBuffer, { "BindBuffer", "BindBufferARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindTexture, { "BindTexture", "BindTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendColor, { "BlendColor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendEquation, { "BlendEquation", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendEquationSeparate, { "BlendEquationSeparate", "BlendEquationSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendFunc, { "BlendFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendFuncSeparate, { "BlendFuncSeparate", "BlendFuncSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBufferData, { "BufferData", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBufferSubData, { "BufferSubData", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClear, { "Clear", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClearColor, { "ClearColor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClearStencil, { "ClearStencil", NULL } },
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{ (PRFuncPtr*) &mSymbols.fColorMask, { "ColorMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fCullFace, { "CullFace", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDetachShader, { "DetachShader", "DetachShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDepthFunc, { "DepthFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDepthMask, { "DepthMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDisable, { "Disable", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDisableVertexAttribArray, { "DisableVertexAttribArray", "DisableVertexAttribArrayARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDrawArrays, { "DrawArrays", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDrawElements, { "DrawElements", NULL } },
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{ (PRFuncPtr*) &mSymbols.fEnable, { "Enable", NULL } },
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{ (PRFuncPtr*) &mSymbols.fEnableVertexAttribArray, { "EnableVertexAttribArray", "EnableVertexAttribArrayARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFinish, { "Finish", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFlush, { "Flush", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFrontFace, { "FrontFace", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetActiveAttrib, { "GetActiveAttrib", "GetActiveAttribARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetActiveUniform, { "GetActiveUniform", "GetActiveUniformARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetAttachedShaders, { "GetAttachedShaders", "GetAttachedShadersARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetAttribLocation, { "GetAttribLocation", "GetAttribLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetIntegerv, { "GetIntegerv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetFloatv, { "GetFloatv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetBooleanv, { "GetBooleanv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetBufferParameteriv, { "GetBufferParameteriv", "GetBufferParameterivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetError, { "GetError", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetProgramiv, { "GetProgramiv", "GetProgramivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetProgramInfoLog, { "GetProgramInfoLog", "GetProgramInfoLogARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexParameteri, { "TexParameteri", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexParameterf, { "TexParameterf", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetString, { "GetString", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetTexParameterfv, { "GetTexParameterfv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetTexParameteriv, { "GetTexParameteriv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformfv, { "GetUniformfv", "GetUniformfvARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformiv, { "GetUniformiv", "GetUniformivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformLocation, { "GetUniformLocation", "GetUniformLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetVertexAttribfv, { "GetVertexAttribfv", "GetVertexAttribfvARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetVertexAttribiv, { "GetVertexAttribiv", "GetVertexAttribivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fHint, { "Hint", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsBuffer, { "IsBuffer", "IsBufferARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsEnabled, { "IsEnabled", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsProgram, { "IsProgram", "IsProgramARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsShader, { "IsShader", "IsShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsTexture, { "IsTexture", "IsTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fLineWidth, { "LineWidth", NULL } },
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{ (PRFuncPtr*) &mSymbols.fLinkProgram, { "LinkProgram", "LinkProgramARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fPixelStorei, { "PixelStorei", NULL } },
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{ (PRFuncPtr*) &mSymbols.fPolygonOffset, { "PolygonOffset", NULL } },
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{ (PRFuncPtr*) &mSymbols.fReadPixels, { "ReadPixels", NULL } },
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{ (PRFuncPtr*) &mSymbols.fSampleCoverage, { "SampleCoverage", NULL } },
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{ (PRFuncPtr*) &mSymbols.fScissor, { "Scissor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilFunc, { "StencilFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilFuncSeparate, { "StencilFuncSeparate", "StencilFuncSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilMask, { "StencilMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilMaskSeparate, { "StencilMaskSeparate", "StencilMaskSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilOp, { "StencilOp", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilOpSeparate, { "StencilOpSeparate", "StencilOpSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexImage2D, { "TexImage2D", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexSubImage2D, { "TexSubImage2D", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1f, { "Uniform1f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1fv, { "Uniform1fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1i, { "Uniform1i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1iv, { "Uniform1iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2f, { "Uniform2f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2fv, { "Uniform2fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2i, { "Uniform2i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2iv, { "Uniform2iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3f, { "Uniform3f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3fv, { "Uniform3fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3i, { "Uniform3i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3iv, { "Uniform3iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4f, { "Uniform4f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4fv, { "Uniform4fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4i, { "Uniform4i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4iv, { "Uniform4iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniformMatrix2fv, { "UniformMatrix2fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniformMatrix3fv, { "UniformMatrix3fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniformMatrix4fv, { "UniformMatrix4fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUseProgram, { "UseProgram", NULL } },
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{ (PRFuncPtr*) &mSymbols.fValidateProgram, { "ValidateProgram", NULL } },
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|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, { "VertexAttribPointer", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1f, { "VertexAttrib1f", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2f, { "VertexAttrib2f", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3f, { "VertexAttrib3f", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4f, { "VertexAttrib4f", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1fv, { "VertexAttrib1fv", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2fv, { "VertexAttrib2fv", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3fv, { "VertexAttrib3fv", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4fv, { "VertexAttrib4fv", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fViewport, { "Viewport", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCompileShader, { "CompileShader", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexImage2D, { "CopyTexImage2D", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexSubImage2D, { "CopyTexSubImage2D", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderiv, { "GetShaderiv", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderInfoLog, { "GetShaderInfoLog", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderSource, { "GetShaderSource", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fShaderSource, { "ShaderSource", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, { "VertexAttribPointer", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fBindFramebuffer, { "BindFramebuffer", "BindFramebufferEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fBindRenderbuffer, { "BindRenderbuffer", "BindRenderbufferEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCheckFramebufferStatus, { "CheckFramebufferStatus", "CheckFramebufferStatusEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fFramebufferRenderbuffer, { "FramebufferRenderbuffer", "FramebufferRenderbufferEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fFramebufferTexture2D, { "FramebufferTexture2D", "FramebufferTexture2DEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenerateMipmap, { "GenerateMipmap", "GenerateMipmapEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGetFramebufferAttachmentParameteriv, { "GetFramebufferAttachmentParameteriv", "GetFramebufferAttachmentParameterivEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGetRenderbufferParameteriv, { "GetRenderbufferParameteriv", "GetRenderbufferParameterivEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fIsFramebuffer, { "IsFramebuffer", "IsFramebufferEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fIsRenderbuffer, { "IsRenderbuffer", "IsRenderbufferEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fRenderbufferStorage, { "RenderbufferStorage", "RenderbufferStorageEXT", NULL } },
|
|
|
|
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenBuffers, { "GenBuffers", "GenBuffersARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenTextures, { "GenTextures", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCreateProgram, { "CreateProgram", "CreateProgramARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fCreateShader, { "CreateShader", "CreateShaderARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenFramebuffers, { "GenFramebuffers", "GenFramebuffersEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenRenderbuffers, { "GenRenderbuffers", "GenRenderbuffersEXT", NULL } },
|
|
|
|
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteBuffers, { "DeleteBuffers", "DeleteBuffersARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteTextures, { "DeleteTextures", "DeleteTexturesARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteProgram, { "DeleteProgram", "DeleteProgramARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteShader, { "DeleteShader", "DeleteShaderARB", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteFramebuffers, { "DeleteFramebuffers", "DeleteFramebuffersEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteRenderbuffers, { "DeleteRenderbuffers", "DeleteRenderbuffersEXT", NULL } },
|
|
|
|
|
|
|
|
{ mIsGLES2 ? (PRFuncPtr*) &mSymbols.fClearDepthf : (PRFuncPtr*) &mSymbols.fClearDepth,
|
2010-07-28 14:24:09 -07:00
|
|
|
{ mIsGLES2 ? "ClearDepthf" : "ClearDepth", NULL } },
|
2010-10-12 14:01:59 -07:00
|
|
|
{ mIsGLES2 ? (PRFuncPtr*) &mSymbols.fDepthRangef : (PRFuncPtr*) &mSymbols.fDepthRange,
|
2010-07-28 14:24:09 -07:00
|
|
|
{ mIsGLES2 ? "DepthRangef" : "DepthRange", NULL } },
|
|
|
|
|
|
|
|
// XXX FIXME -- we shouldn't be using glReadBuffer!
|
2010-10-12 14:01:59 -07:00
|
|
|
{ mIsGLES2 ? (PRFuncPtr*) NULL : (PRFuncPtr*) &mSymbols.fReadBuffer,
|
2010-07-28 14:24:09 -07:00
|
|
|
{ mIsGLES2 ? NULL : "ReadBuffer", NULL } },
|
|
|
|
|
2010-12-16 23:49:42 -08:00
|
|
|
{ mIsGLES2 ? (PRFuncPtr*) NULL : (PRFuncPtr*) &mSymbols.fMapBuffer,
|
|
|
|
{ mIsGLES2 ? NULL : "MapBuffer", NULL } },
|
|
|
|
{ mIsGLES2 ? (PRFuncPtr*) NULL : (PRFuncPtr*) &mSymbols.fUnmapBuffer,
|
|
|
|
{ mIsGLES2 ? NULL : "UnmapBuffer", NULL } },
|
|
|
|
|
2010-04-26 19:09:44 -07:00
|
|
|
{ NULL, { NULL } },
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
mInitialized = LoadSymbols(&symbols[0], trygl, prefix);
|
2010-08-06 22:09:18 -07:00
|
|
|
|
2011-02-11 15:11:30 -08:00
|
|
|
const char *glVendorString;
|
2011-02-11 20:08:16 -08:00
|
|
|
|
2011-02-11 15:11:30 -08:00
|
|
|
if (mInitialized) {
|
|
|
|
glVendorString = (const char *)fGetString(LOCAL_GL_VENDOR);
|
2010-11-12 12:02:11 -08:00
|
|
|
const char *vendorMatchStrings[VendorOther] = {
|
|
|
|
"Intel",
|
|
|
|
"NVIDIA",
|
|
|
|
"ATI",
|
|
|
|
"Qualcomm"
|
|
|
|
};
|
|
|
|
mVendor = VendorOther;
|
|
|
|
for (int i = 0; i < VendorOther; ++i) {
|
|
|
|
if (DoesVendorStringMatch(glVendorString, vendorMatchStrings[i])) {
|
|
|
|
mVendor = i;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2011-02-11 15:11:30 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (mInitialized) {
|
2010-10-06 13:43:14 -07:00
|
|
|
#ifdef DEBUG
|
|
|
|
static bool once = false;
|
|
|
|
if (!once) {
|
2010-11-12 12:02:11 -08:00
|
|
|
const char *vendors[VendorOther] = {
|
|
|
|
"Intel",
|
|
|
|
"NVIDIA",
|
|
|
|
"ATI",
|
|
|
|
"Qualcomm"
|
|
|
|
};
|
|
|
|
|
2010-10-06 13:43:14 -07:00
|
|
|
once = true;
|
2010-11-12 12:02:11 -08:00
|
|
|
if (mVendor < VendorOther) {
|
|
|
|
printf_stderr("OpenGL vendor ('%s') recognized as: %s\n",
|
|
|
|
glVendorString, vendors[mVendor]);
|
|
|
|
} else {
|
|
|
|
printf_stderr("OpenGL vendor ('%s') unrecognized\n", glVendorString);
|
|
|
|
}
|
2010-10-06 13:43:14 -07:00
|
|
|
}
|
|
|
|
#endif
|
2010-11-16 20:33:03 -08:00
|
|
|
|
2011-02-11 15:11:30 -08:00
|
|
|
InitExtensions();
|
|
|
|
|
|
|
|
NS_ASSERTION(!IsExtensionSupported(GLContext::ARB_pixel_buffer_object) ||
|
|
|
|
(mSymbols.fMapBuffer && mSymbols.fUnmapBuffer),
|
|
|
|
"ARB_pixel_buffer_object supported without glMapBuffer/UnmapBuffer being available!");
|
|
|
|
|
|
|
|
GLint v[4];
|
|
|
|
|
|
|
|
fGetIntegerv(LOCAL_GL_SCISSOR_BOX, v);
|
|
|
|
mScissorStack.AppendElement(nsIntRect(v[0], v[1], v[2], v[3]));
|
|
|
|
|
|
|
|
fGetIntegerv(LOCAL_GL_VIEWPORT, v);
|
|
|
|
mViewportStack.AppendElement(nsIntRect(v[0], v[1], v[2], v[3]));
|
|
|
|
|
|
|
|
fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
|
|
|
|
|
2010-11-16 20:33:03 -08:00
|
|
|
UpdateActualFormat();
|
2010-08-06 22:09:18 -07:00
|
|
|
}
|
|
|
|
|
2010-10-12 14:01:59 -07:00
|
|
|
#ifdef DEBUG
|
|
|
|
if (PR_GetEnv("MOZ_GL_DEBUG"))
|
|
|
|
mDebugMode |= DebugEnabled;
|
|
|
|
|
|
|
|
// enables extra verbose output, informing of the start and finish of every GL call.
|
|
|
|
// useful e.g. to record information to investigate graphics system crashes/lockups
|
|
|
|
if (PR_GetEnv("MOZ_GL_DEBUG_VERBOSE"))
|
|
|
|
mDebugMode |= DebugTrace;
|
|
|
|
|
|
|
|
// aborts on GL error. Can be useful to debug quicker code that is known not to generate any GL error in principle.
|
|
|
|
if (PR_GetEnv("MOZ_GL_DEBUG_ABORT_ON_ERROR"))
|
|
|
|
mDebugMode |= DebugAbortOnError;
|
|
|
|
#endif
|
|
|
|
|
2011-03-02 12:50:36 -08:00
|
|
|
if (mInitialized)
|
|
|
|
reporter.SetSuccessful();
|
|
|
|
else {
|
|
|
|
// if initialization fails, ensure all symbols are zero, to avoid hard-to-understand bugs
|
|
|
|
mSymbols.Zero();
|
|
|
|
}
|
2011-01-06 06:59:28 -08:00
|
|
|
|
2010-04-26 19:09:44 -07:00
|
|
|
return mInitialized;
|
|
|
|
}
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
// should match the order of GLExtensions
|
|
|
|
static const char *sExtensionNames[] = {
|
|
|
|
"GL_EXT_framebuffer_object",
|
|
|
|
"GL_ARB_framebuffer_object",
|
2010-08-06 22:09:18 -07:00
|
|
|
"GL_ARB_texture_rectangle",
|
2010-08-06 22:09:18 -07:00
|
|
|
"GL_EXT_bgra",
|
|
|
|
"GL_EXT_texture_format_BGRA8888",
|
|
|
|
"GL_OES_depth24",
|
|
|
|
"GL_OES_depth32",
|
|
|
|
"GL_OES_stencil8",
|
|
|
|
"GL_OES_texture_npot",
|
|
|
|
"GL_OES_depth_texture",
|
|
|
|
"GL_OES_packed_depth_stencil",
|
|
|
|
"GL_IMG_read_format",
|
|
|
|
"GL_EXT_read_format_bgra",
|
2010-11-11 12:31:23 -08:00
|
|
|
"GL_APPLE_client_storage",
|
2010-11-12 12:02:20 -08:00
|
|
|
"GL_ARB_texture_non_power_of_two",
|
2010-12-16 23:49:42 -08:00
|
|
|
"GL_ARB_pixel_buffer_object",
|
2011-02-11 15:11:30 -08:00
|
|
|
"GL_ARB_ES2_compatibility",
|
2010-08-06 22:09:18 -07:00
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::InitExtensions()
|
|
|
|
{
|
|
|
|
MakeCurrent();
|
|
|
|
const GLubyte *extensions = fGetString(LOCAL_GL_EXTENSIONS);
|
|
|
|
char *exts = strdup((char *)extensions);
|
|
|
|
|
2010-10-01 21:00:36 -07:00
|
|
|
#ifdef DEBUG
|
2010-09-05 13:37:52 -07:00
|
|
|
static bool once = false;
|
2010-10-01 21:00:36 -07:00
|
|
|
#else
|
|
|
|
const bool once = true;
|
|
|
|
#endif
|
2010-09-05 13:37:52 -07:00
|
|
|
|
|
|
|
if (!once) {
|
|
|
|
printf_stderr("GL extensions: %s\n", exts);
|
|
|
|
}
|
2010-08-06 22:09:18 -07:00
|
|
|
|
|
|
|
char *s = exts;
|
|
|
|
bool done = false;
|
|
|
|
while (!done) {
|
|
|
|
char *space = strchr(s, ' ');
|
|
|
|
if (space) {
|
|
|
|
*space = '\0';
|
|
|
|
} else {
|
|
|
|
done = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (int i = 0; sExtensionNames[i]; ++i) {
|
|
|
|
if (strcmp(s, sExtensionNames[i]) == 0) {
|
2010-09-05 13:37:52 -07:00
|
|
|
if (!once) {
|
|
|
|
printf_stderr("Found extension %s\n", s);
|
|
|
|
}
|
2010-08-06 22:09:18 -07:00
|
|
|
mAvailableExtensions[i] = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
s = space+1;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(exts);
|
2010-09-05 13:37:52 -07:00
|
|
|
|
2010-10-01 21:00:36 -07:00
|
|
|
#ifdef DEBUG
|
2010-09-05 13:37:52 -07:00
|
|
|
once = true;
|
2010-10-01 21:00:36 -07:00
|
|
|
#endif
|
2010-08-06 22:09:18 -07:00
|
|
|
}
|
|
|
|
|
2010-06-14 23:55:08 -07:00
|
|
|
PRBool
|
|
|
|
GLContext::IsExtensionSupported(const char *extension)
|
|
|
|
{
|
2010-11-10 07:49:52 -08:00
|
|
|
return ListHasExtension(fGetString(LOCAL_GL_EXTENSIONS), extension);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Common code for checking for both GL extensions and GLX extensions.
|
|
|
|
PRBool
|
|
|
|
GLContext::ListHasExtension(const GLubyte *extensions, const char *extension)
|
|
|
|
{
|
2010-11-18 06:17:19 -08:00
|
|
|
// fix bug 612572 - we were crashing as we were calling this function with extensions==null
|
|
|
|
if (extensions == nsnull || extension == nsnull)
|
|
|
|
return PR_FALSE;
|
|
|
|
|
2010-06-14 23:55:08 -07:00
|
|
|
const GLubyte *start;
|
|
|
|
GLubyte *where, *terminator;
|
|
|
|
|
|
|
|
/* Extension names should not have spaces. */
|
|
|
|
where = (GLubyte *) strchr(extension, ' ');
|
|
|
|
if (where || *extension == '\0')
|
|
|
|
return PR_FALSE;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* It takes a bit of care to be fool-proof about parsing the
|
|
|
|
* OpenGL extensions string. Don't be fooled by sub-strings,
|
|
|
|
* etc.
|
|
|
|
*/
|
|
|
|
start = extensions;
|
|
|
|
for (;;) {
|
|
|
|
where = (GLubyte *) strstr((const char *) start, extension);
|
|
|
|
if (!where) {
|
2010-06-14 23:56:29 -07:00
|
|
|
break;
|
2010-06-14 23:55:08 -07:00
|
|
|
}
|
|
|
|
terminator = where + strlen(extension);
|
|
|
|
if (where == start || *(where - 1) == ' ') {
|
2010-06-14 23:56:29 -07:00
|
|
|
if (*terminator == ' ' || *terminator == '\0') {
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
2010-06-14 23:55:08 -07:00
|
|
|
}
|
|
|
|
start = terminator;
|
|
|
|
}
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
2010-07-01 09:30:38 -07:00
|
|
|
already_AddRefed<TextureImage>
|
|
|
|
GLContext::CreateTextureImage(const nsIntSize& aSize,
|
|
|
|
TextureImage::ContentType aContentType,
|
2010-11-12 12:02:20 -08:00
|
|
|
GLenum aWrapMode,
|
2010-07-01 09:30:38 -07:00
|
|
|
PRBool aUseNearestFilter)
|
|
|
|
{
|
2011-01-17 13:50:02 -08:00
|
|
|
MakeCurrent();
|
2010-07-01 09:30:38 -07:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
GLuint texture;
|
|
|
|
fGenTextures(1, &texture);
|
2010-07-01 09:30:38 -07:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, texture);
|
2010-07-01 09:30:38 -07:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
GLint texfilter = aUseNearestFilter ? LOCAL_GL_NEAREST : LOCAL_GL_LINEAR;
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, texfilter);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, texfilter);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, aWrapMode);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, aWrapMode);
|
2010-07-01 09:30:38 -07:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
return CreateBasicTextureImage(texture, aSize, aWrapMode, aContentType, this);
|
2010-07-01 09:30:38 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
BasicTextureImage::~BasicTextureImage()
|
|
|
|
{
|
2010-09-09 20:09:39 -07:00
|
|
|
GLContext *ctx = mGLContext;
|
|
|
|
if (ctx->IsDestroyed() || !NS_IsMainThread()) {
|
|
|
|
ctx = ctx->GetSharedContext();
|
|
|
|
}
|
|
|
|
|
|
|
|
// If we have a context, then we need to delete the texture;
|
|
|
|
// if we don't have a context (either real or shared),
|
|
|
|
// then they went away when the contex was deleted, because it
|
|
|
|
// was the only one that had access to it.
|
|
|
|
if (ctx && !ctx->IsDestroyed()) {
|
|
|
|
mGLContext->MakeCurrent();
|
|
|
|
mGLContext->fDeleteTextures(1, &mTexture);
|
2010-07-19 21:05:42 -07:00
|
|
|
}
|
2010-07-01 09:30:38 -07:00
|
|
|
}
|
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
gfxASurface*
|
2010-07-01 09:30:38 -07:00
|
|
|
BasicTextureImage::BeginUpdate(nsIntRegion& aRegion)
|
|
|
|
{
|
2011-01-17 23:21:12 -08:00
|
|
|
NS_ASSERTION(!mUpdateSurface, "BeginUpdate() without EndUpdate()?");
|
2010-07-01 09:30:38 -07:00
|
|
|
|
|
|
|
// determine the region the client will need to repaint
|
2010-11-11 12:31:23 -08:00
|
|
|
ImageFormat format =
|
|
|
|
(GetContentType() == gfxASurface::CONTENT_COLOR) ?
|
|
|
|
gfxASurface::ImageFormatRGB24 : gfxASurface::ImageFormatARGB32;
|
2011-03-24 15:04:11 -07:00
|
|
|
if (mTextureState != Valid)
|
2010-11-15 15:13:56 -08:00
|
|
|
{
|
2010-11-11 12:31:23 -08:00
|
|
|
// if the texture hasn't been initialized yet, or something important
|
|
|
|
// changed, we need to recreate our backing surface and force the
|
2010-07-01 09:30:38 -07:00
|
|
|
// client to paint everything
|
2011-01-17 17:32:40 -08:00
|
|
|
mUpdateRegion = nsIntRect(nsIntPoint(0, 0), mSize);
|
2010-11-11 12:31:23 -08:00
|
|
|
} else {
|
2011-01-17 17:32:40 -08:00
|
|
|
mUpdateRegion = aRegion;
|
2010-11-11 12:31:23 -08:00
|
|
|
}
|
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
aRegion = mUpdateRegion;
|
2010-11-11 12:31:23 -08:00
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
nsIntRect rgnSize = mUpdateRegion.GetBounds();
|
|
|
|
if (!nsIntRect(nsIntPoint(0, 0), mSize).Contains(rgnSize)) {
|
2010-07-01 09:30:38 -07:00
|
|
|
NS_ERROR("update outside of image");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
mUpdateSurface =
|
2011-01-17 13:50:02 -08:00
|
|
|
GetSurfaceForUpdate(gfxIntSize(rgnSize.width, rgnSize.height), format);
|
2010-12-16 23:49:42 -08:00
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
if (!mUpdateSurface || mUpdateSurface->CairoStatus()) {
|
|
|
|
mUpdateSurface = NULL;
|
2010-07-01 09:30:38 -07:00
|
|
|
return NULL;
|
2011-01-17 23:21:12 -08:00
|
|
|
}
|
2010-07-01 09:30:38 -07:00
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
mUpdateSurface->SetDeviceOffset(gfxPoint(-rgnSize.x, -rgnSize.y));
|
2010-07-19 14:54:17 -07:00
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
return mUpdateSurface;
|
2010-07-01 09:30:38 -07:00
|
|
|
}
|
|
|
|
|
2011-01-17 23:22:25 -08:00
|
|
|
void
|
2010-07-01 09:30:38 -07:00
|
|
|
BasicTextureImage::EndUpdate()
|
|
|
|
{
|
2011-01-17 23:21:12 -08:00
|
|
|
NS_ASSERTION(!!mUpdateSurface, "EndUpdate() without BeginUpdate()?");
|
2010-07-01 09:30:38 -07:00
|
|
|
|
|
|
|
// FIXME: this is the slow boat. Make me fast (with GLXPixmap?).
|
2010-07-19 14:54:17 -07:00
|
|
|
|
|
|
|
// Undo the device offset that BeginUpdate set; doesn't much matter for us here,
|
|
|
|
// but important if we ever do anything directly with the surface.
|
2011-01-17 23:21:12 -08:00
|
|
|
mUpdateSurface->SetDeviceOffset(gfxPoint(0, 0));
|
2010-07-19 14:54:17 -07:00
|
|
|
|
2010-12-16 23:49:42 -08:00
|
|
|
bool relative = FinishedSurfaceUpdate();
|
|
|
|
|
2010-12-16 23:29:23 -08:00
|
|
|
mShaderType =
|
2011-01-17 23:21:12 -08:00
|
|
|
mGLContext->UploadSurfaceToTexture(mUpdateSurface,
|
2011-01-17 17:32:40 -08:00
|
|
|
mUpdateRegion,
|
2011-01-17 13:50:02 -08:00
|
|
|
mTexture,
|
2011-03-24 15:04:11 -07:00
|
|
|
mTextureState == Created,
|
2011-01-17 17:32:40 -08:00
|
|
|
mUpdateOffset,
|
2011-01-17 13:50:02 -08:00
|
|
|
relative);
|
2010-12-16 23:49:42 -08:00
|
|
|
FinishedSurfaceUpload();
|
|
|
|
|
2011-01-17 23:21:12 -08:00
|
|
|
mUpdateSurface = nsnull;
|
2011-03-24 15:04:11 -07:00
|
|
|
mTextureState = Valid;
|
2010-07-01 09:30:38 -07:00
|
|
|
}
|
|
|
|
|
2010-12-16 23:49:42 -08:00
|
|
|
already_AddRefed<gfxASurface>
|
|
|
|
BasicTextureImage::GetSurfaceForUpdate(const gfxIntSize& aSize, ImageFormat aFmt)
|
|
|
|
{
|
|
|
|
return gfxPlatform::GetPlatform()->
|
2011-01-17 13:50:02 -08:00
|
|
|
CreateOffscreenSurface(aSize, gfxASurface::ContentFromFormat(aFmt));
|
2010-12-16 23:49:42 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
|
|
|
BasicTextureImage::FinishedSurfaceUpdate()
|
|
|
|
{
|
2011-01-17 13:50:02 -08:00
|
|
|
return false;
|
2010-12-16 23:49:42 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
BasicTextureImage::FinishedSurfaceUpload()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2010-12-16 23:50:26 -08:00
|
|
|
bool
|
|
|
|
BasicTextureImage::DirectUpdate(gfxASurface *aSurf, const nsIntRegion& aRegion)
|
|
|
|
{
|
2011-01-17 13:50:02 -08:00
|
|
|
nsIntRect bounds = aRegion.GetBounds();
|
2011-01-17 17:32:40 -08:00
|
|
|
nsIntRegion region;
|
2011-03-24 15:04:11 -07:00
|
|
|
if (mTextureState != Valid) {
|
2011-01-17 13:50:02 -08:00
|
|
|
bounds = nsIntRect(0, 0, mSize.width, mSize.height);
|
2011-01-17 17:32:40 -08:00
|
|
|
region = nsIntRegion(bounds);
|
|
|
|
} else {
|
|
|
|
region = aRegion;
|
2011-01-17 13:50:02 -08:00
|
|
|
}
|
2010-12-16 23:50:26 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
mShaderType =
|
|
|
|
mGLContext->UploadSurfaceToTexture(aSurf,
|
2011-01-17 17:32:40 -08:00
|
|
|
region,
|
2011-01-17 13:50:02 -08:00
|
|
|
mTexture,
|
2011-03-24 15:04:11 -07:00
|
|
|
mTextureState == Created,
|
2011-01-17 13:50:02 -08:00
|
|
|
bounds.TopLeft(),
|
|
|
|
PR_FALSE);
|
2011-03-24 15:04:11 -07:00
|
|
|
mTextureState = Valid;
|
2011-01-17 13:50:02 -08:00
|
|
|
return true;
|
2010-12-16 23:50:26 -08:00
|
|
|
}
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
void
|
|
|
|
BasicTextureImage::Resize(const nsIntSize& aSize)
|
|
|
|
{
|
2011-01-17 23:21:12 -08:00
|
|
|
NS_ASSERTION(!mUpdateSurface, "Resize() while in update?");
|
2010-09-21 12:41:24 -07:00
|
|
|
|
|
|
|
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
|
|
|
|
|
|
|
|
mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGBA,
|
|
|
|
aSize.width,
|
|
|
|
aSize.height,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGBA,
|
|
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
|
|
NULL);
|
|
|
|
|
2011-03-24 15:04:11 -07:00
|
|
|
mTextureState = Initialized;
|
2010-11-05 12:49:20 -07:00
|
|
|
mSize = aSize;
|
2010-09-21 12:41:24 -07:00
|
|
|
}
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
PRBool
|
|
|
|
GLContext::ResizeOffscreenFBO(const gfxIntSize& aSize)
|
|
|
|
{
|
|
|
|
MakeCurrent();
|
|
|
|
|
|
|
|
bool alpha = mCreationFormat.alpha > 0;
|
|
|
|
int depth = mCreationFormat.depth;
|
|
|
|
int stencil = mCreationFormat.stencil;
|
|
|
|
|
|
|
|
bool firstTime = (mOffscreenFBO == 0);
|
|
|
|
|
|
|
|
GLuint curBoundTexture = 0;
|
|
|
|
GLuint curBoundRenderbuffer = 0;
|
|
|
|
GLuint curBoundFramebuffer = 0;
|
|
|
|
|
|
|
|
GLint viewport[4];
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
bool useDepthStencil =
|
|
|
|
!mIsGLES2 || IsExtensionSupported(OES_packed_depth_stencil);
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
// save a few things for later restoring
|
|
|
|
fGetIntegerv(LOCAL_GL_TEXTURE_BINDING_2D, (GLint*) &curBoundTexture);
|
|
|
|
fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, (GLint*) &curBoundFramebuffer);
|
|
|
|
fGetIntegerv(LOCAL_GL_RENDERBUFFER_BINDING, (GLint*) &curBoundRenderbuffer);
|
|
|
|
fGetIntegerv(LOCAL_GL_VIEWPORT, viewport);
|
|
|
|
|
2010-11-16 20:33:03 -08:00
|
|
|
// the context format of what we're defining;
|
|
|
|
// for some reason, UpdateActualFormat isn't working with a bound FBO.
|
|
|
|
ContextFormat cf;
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
// If this is the first time we're going through this, we need
|
|
|
|
// to create the objects we'll use. Otherwise, just bind them.
|
|
|
|
if (firstTime) {
|
|
|
|
fGenTextures(1, &mOffscreenTexture);
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, mOffscreenTexture);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
|
|
|
|
|
|
fGenFramebuffers(1, &mOffscreenFBO);
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mOffscreenFBO);
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
if (depth && stencil && useDepthStencil) {
|
2010-07-18 22:01:14 -07:00
|
|
|
fGenRenderbuffers(1, &mOffscreenDepthRB);
|
2010-07-28 14:24:09 -07:00
|
|
|
} else {
|
|
|
|
if (depth) {
|
|
|
|
fGenRenderbuffers(1, &mOffscreenDepthRB);
|
|
|
|
}
|
2010-07-18 22:01:14 -07:00
|
|
|
|
2010-07-28 14:24:09 -07:00
|
|
|
if (stencil) {
|
|
|
|
fGenRenderbuffers(1, &mOffscreenStencilRB);
|
|
|
|
}
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, mOffscreenTexture);
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mOffscreenFBO);
|
|
|
|
}
|
|
|
|
|
|
|
|
// resize the FBO components
|
|
|
|
if (alpha) {
|
|
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGBA,
|
|
|
|
aSize.width, aSize.height,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGBA,
|
|
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
|
|
NULL);
|
2010-11-16 20:33:03 -08:00
|
|
|
|
|
|
|
cf.red = cf.green = cf.blue = cf.alpha = 8;
|
2010-07-18 22:01:14 -07:00
|
|
|
} else {
|
|
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGB,
|
|
|
|
aSize.width, aSize.height,
|
|
|
|
0,
|
|
|
|
LOCAL_GL_RGB,
|
2010-08-06 22:09:18 -07:00
|
|
|
#ifdef XP_WIN
|
|
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
|
|
#else
|
2010-07-28 14:24:09 -07:00
|
|
|
mIsGLES2 ? LOCAL_GL_UNSIGNED_SHORT_5_6_5
|
2010-07-18 22:01:14 -07:00
|
|
|
: LOCAL_GL_UNSIGNED_BYTE,
|
2010-08-06 22:09:18 -07:00
|
|
|
#endif
|
2010-07-18 22:01:14 -07:00
|
|
|
NULL);
|
2010-11-16 20:33:03 -08:00
|
|
|
|
|
|
|
#ifdef XP_WIN
|
|
|
|
cf.red = cf.green = cf.blue = 8;
|
|
|
|
#else
|
|
|
|
cf.red = 5;
|
|
|
|
cf.green = 6;
|
|
|
|
cf.blue = 5;
|
|
|
|
#endif
|
|
|
|
cf.alpha = 0;
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
if (depth && stencil && useDepthStencil) {
|
2010-07-18 22:01:14 -07:00
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mOffscreenDepthRB);
|
|
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
2010-07-28 14:24:09 -07:00
|
|
|
LOCAL_GL_DEPTH24_STENCIL8,
|
2010-07-18 22:01:14 -07:00
|
|
|
aSize.width, aSize.height);
|
2010-11-16 20:33:03 -08:00
|
|
|
cf.depth = 24;
|
|
|
|
cf.stencil = 8;
|
2010-07-28 14:24:09 -07:00
|
|
|
} else {
|
|
|
|
if (depth) {
|
2010-08-06 22:09:18 -07:00
|
|
|
GLenum depthType;
|
|
|
|
if (mIsGLES2) {
|
|
|
|
if (IsExtensionSupported(OES_depth32)) {
|
|
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT32;
|
|
|
|
} else if (IsExtensionSupported(OES_depth24)) {
|
|
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT24;
|
|
|
|
} else {
|
|
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT16;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT24;
|
|
|
|
}
|
|
|
|
|
2010-07-28 14:24:09 -07:00
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mOffscreenDepthRB);
|
|
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
|
|
|
mIsGLES2 ? LOCAL_GL_DEPTH_COMPONENT16
|
|
|
|
: LOCAL_GL_DEPTH_COMPONENT24,
|
|
|
|
aSize.width, aSize.height);
|
2010-11-16 20:33:03 -08:00
|
|
|
cf.depth = mIsGLES2 ? 16 : 24;
|
2010-07-28 14:24:09 -07:00
|
|
|
}
|
2010-07-18 22:01:14 -07:00
|
|
|
|
2010-07-28 14:24:09 -07:00
|
|
|
if (stencil) {
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mOffscreenStencilRB);
|
|
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
|
|
|
LOCAL_GL_STENCIL_INDEX8,
|
|
|
|
aSize.width, aSize.height);
|
2010-11-16 20:33:03 -08:00
|
|
|
cf.stencil = 8;
|
2010-07-28 14:24:09 -07:00
|
|
|
}
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
// Now assemble the FBO, if we're creating one
|
|
|
|
// for the first time.
|
|
|
|
if (firstTime) {
|
|
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_COLOR_ATTACHMENT0,
|
|
|
|
LOCAL_GL_TEXTURE_2D,
|
|
|
|
mOffscreenTexture,
|
|
|
|
0);
|
2010-07-28 14:24:09 -07:00
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
if (depth && stencil && useDepthStencil) {
|
2010-07-18 22:01:14 -07:00
|
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_DEPTH_ATTACHMENT,
|
|
|
|
LOCAL_GL_RENDERBUFFER,
|
|
|
|
mOffscreenDepthRB);
|
|
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_STENCIL_ATTACHMENT,
|
|
|
|
LOCAL_GL_RENDERBUFFER,
|
2010-07-28 14:24:09 -07:00
|
|
|
mOffscreenDepthRB);
|
|
|
|
} else {
|
|
|
|
if (depth) {
|
|
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_DEPTH_ATTACHMENT,
|
|
|
|
LOCAL_GL_RENDERBUFFER,
|
|
|
|
mOffscreenDepthRB);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (stencil) {
|
|
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_STENCIL_ATTACHMENT,
|
|
|
|
LOCAL_GL_RENDERBUFFER,
|
|
|
|
mOffscreenStencilRB);
|
|
|
|
}
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// We should be all resized. Check for framebuffer completeness.
|
|
|
|
GLenum status = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
|
|
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
|
|
|
|
NS_WARNING("Error resizing offscreen framebuffer -- framebuffer not complete");
|
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
mOffscreenSize = aSize;
|
|
|
|
mOffscreenActualSize = aSize;
|
|
|
|
|
|
|
|
if (firstTime) {
|
2010-11-16 20:33:03 -08:00
|
|
|
// UpdateActualFormat() doesn't work for some reason, with a
|
|
|
|
// FBO bound, even though it should.
|
|
|
|
//UpdateActualFormat();
|
|
|
|
mActualFormat = cf;
|
2010-08-06 22:09:18 -07:00
|
|
|
|
2010-09-05 13:37:52 -07:00
|
|
|
#ifdef DEBUG
|
2010-08-06 22:09:18 -07:00
|
|
|
printf_stderr("Created offscreen FBO: r: %d g: %d b: %d a: %d depth: %d stencil: %d\n",
|
|
|
|
mActualFormat.red, mActualFormat.green, mActualFormat.blue, mActualFormat.alpha,
|
|
|
|
mActualFormat.depth, mActualFormat.stencil);
|
2010-09-05 13:37:52 -07:00
|
|
|
#endif
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
// We're good, and the framebuffer is already attached, so let's
|
|
|
|
// clear out our new framebuffer; otherwise we'll end up displaying
|
|
|
|
// random memory. We saved all of these things earlier so that we
|
|
|
|
// can restore them.
|
|
|
|
fViewport(0, 0, aSize.width, aSize.height);
|
|
|
|
|
2010-08-30 16:56:42 -07:00
|
|
|
// Clear the new framebuffer with the full viewport
|
|
|
|
ClearSafely();
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
// Ok, now restore the GL state back to what it was before the resize took place.
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, curBoundTexture);
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, curBoundRenderbuffer);
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, curBoundFramebuffer);
|
|
|
|
|
|
|
|
// -don't- restore the viewport the first time through this, since
|
|
|
|
// the previous one isn't valid.
|
|
|
|
if (!firstTime)
|
|
|
|
fViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
|
|
|
|
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeleteOffscreenFBO()
|
|
|
|
{
|
|
|
|
fDeleteFramebuffers(1, &mOffscreenFBO);
|
|
|
|
fDeleteTextures(1, &mOffscreenTexture);
|
|
|
|
fDeleteRenderbuffers(1, &mOffscreenDepthRB);
|
|
|
|
fDeleteRenderbuffers(1, &mOffscreenStencilRB);
|
|
|
|
|
|
|
|
mOffscreenFBO = 0;
|
|
|
|
mOffscreenTexture = 0;
|
|
|
|
mOffscreenDepthRB = 0;
|
|
|
|
mOffscreenStencilRB = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::ClearSafely()
|
|
|
|
{
|
|
|
|
GLfloat clearColor[4];
|
|
|
|
GLfloat clearDepth;
|
|
|
|
GLint clearStencil;
|
|
|
|
|
|
|
|
fGetFloatv(LOCAL_GL_COLOR_CLEAR_VALUE, clearColor);
|
|
|
|
fGetFloatv(LOCAL_GL_DEPTH_CLEAR_VALUE, &clearDepth);
|
|
|
|
fGetIntegerv(LOCAL_GL_STENCIL_CLEAR_VALUE, &clearStencil);
|
|
|
|
|
|
|
|
fClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
|
|
|
fClearStencil(0);
|
2010-07-28 14:24:09 -07:00
|
|
|
fClearDepth(1.0f);
|
2010-07-18 22:01:14 -07:00
|
|
|
|
|
|
|
fClear(LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT | LOCAL_GL_STENCIL_BUFFER_BIT);
|
|
|
|
|
|
|
|
fClearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);
|
|
|
|
fClearStencil(clearStencil);
|
|
|
|
fClearDepth(clearDepth);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::UpdateActualFormat()
|
|
|
|
{
|
2010-08-06 22:09:18 -07:00
|
|
|
ContextFormat nf;
|
|
|
|
|
2010-09-05 13:37:51 -07:00
|
|
|
fGetIntegerv(LOCAL_GL_RED_BITS, (GLint*) &nf.red);
|
|
|
|
fGetIntegerv(LOCAL_GL_GREEN_BITS, (GLint*) &nf.green);
|
|
|
|
fGetIntegerv(LOCAL_GL_BLUE_BITS, (GLint*) &nf.blue);
|
2010-08-06 22:09:18 -07:00
|
|
|
fGetIntegerv(LOCAL_GL_ALPHA_BITS, (GLint*) &nf.alpha);
|
|
|
|
fGetIntegerv(LOCAL_GL_DEPTH_BITS, (GLint*) &nf.depth);
|
2010-09-05 13:37:51 -07:00
|
|
|
fGetIntegerv(LOCAL_GL_STENCIL_BITS, (GLint*) &nf.stencil);
|
2010-08-06 22:09:18 -07:00
|
|
|
|
|
|
|
mActualFormat = nf;
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
void
|
|
|
|
GLContext::MarkDestroyed()
|
|
|
|
{
|
2010-09-21 12:41:24 -07:00
|
|
|
if (IsDestroyed())
|
|
|
|
return;
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
MakeCurrent();
|
|
|
|
DeleteOffscreenFBO();
|
2010-09-21 12:41:24 -07:00
|
|
|
|
|
|
|
fDeleteProgram(mBlitProgram);
|
|
|
|
mBlitProgram = 0;
|
|
|
|
fDeleteFramebuffers(1, &mBlitFramebuffer);
|
|
|
|
mBlitFramebuffer = 0;
|
|
|
|
|
2010-10-12 14:01:59 -07:00
|
|
|
mSymbols.Zero();
|
2010-08-06 22:09:18 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
already_AddRefed<gfxImageSurface>
|
|
|
|
GLContext::ReadTextureImage(GLuint aTexture,
|
|
|
|
const gfxIntSize& aSize,
|
|
|
|
GLenum aTextureFormat)
|
|
|
|
{
|
|
|
|
MakeCurrent();
|
|
|
|
|
|
|
|
nsRefPtr<gfxImageSurface> isurf;
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
GLint oldrb, oldfb, oldprog, oldPackAlignment;
|
2010-08-06 22:09:18 -07:00
|
|
|
GLint success;
|
|
|
|
|
|
|
|
GLuint rb = 0, fb = 0;
|
|
|
|
GLuint vs = 0, fs = 0, prog = 0;
|
|
|
|
|
|
|
|
const char *vShader =
|
|
|
|
"attribute vec4 aVertex;\n"
|
|
|
|
"attribute vec2 aTexCoord;\n"
|
|
|
|
"varying vec2 vTexCoord;\n"
|
|
|
|
"void main() { gl_Position = aVertex; vTexCoord = aTexCoord; }";
|
|
|
|
const char *fShader =
|
|
|
|
"#ifdef GL_ES\n"
|
|
|
|
"precision mediump float;\n"
|
|
|
|
"#endif\n"
|
|
|
|
"varying vec2 vTexCoord;\n"
|
|
|
|
"uniform sampler2D uTexture;\n"
|
|
|
|
"void main() { gl_FragColor = texture2D(uTexture, vTexCoord); }";
|
|
|
|
|
|
|
|
float verts[4*4] = {
|
|
|
|
-1.0f, -1.0f, 0.0f, 1.0f,
|
|
|
|
1.0f, -1.0f, 0.0f, 1.0f,
|
|
|
|
-1.0f, 1.0f, 0.0f, 1.0f,
|
|
|
|
1.0f, 1.0f, 0.0f, 1.0f
|
|
|
|
};
|
|
|
|
|
|
|
|
float texcoords[2*4] = {
|
|
|
|
0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f
|
|
|
|
};
|
|
|
|
|
|
|
|
fGetIntegerv(LOCAL_GL_RENDERBUFFER_BINDING, &oldrb);
|
|
|
|
fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, &oldfb);
|
|
|
|
fGetIntegerv(LOCAL_GL_CURRENT_PROGRAM, &oldprog);
|
|
|
|
fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, &oldPackAlignment);
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
PushViewportRect(nsIntRect(0, 0, aSize.width, aSize.height));
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
fGenRenderbuffers(1, &rb);
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, rb);
|
|
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER, LOCAL_GL_RGBA,
|
|
|
|
aSize.width, aSize.height);
|
|
|
|
|
|
|
|
fGenFramebuffers(1, &fb);
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, fb);
|
|
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
|
|
LOCAL_GL_RENDERBUFFER, rb);
|
|
|
|
|
|
|
|
if (fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER) !=
|
|
|
|
LOCAL_GL_FRAMEBUFFER_COMPLETE)
|
|
|
|
{
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
vs = fCreateShader(LOCAL_GL_VERTEX_SHADER);
|
|
|
|
fs = fCreateShader(LOCAL_GL_FRAGMENT_SHADER);
|
|
|
|
fShaderSource(vs, 1, (const GLchar**) &vShader, NULL);
|
|
|
|
fShaderSource(fs, 1, (const GLchar**) &fShader, NULL);
|
|
|
|
prog = fCreateProgram();
|
|
|
|
fAttachShader(prog, vs);
|
|
|
|
fAttachShader(prog, fs);
|
|
|
|
fBindAttribLocation(prog, 0, "aVertex");
|
|
|
|
fBindAttribLocation(prog, 1, "aTexCoord");
|
|
|
|
fLinkProgram(prog);
|
|
|
|
|
|
|
|
fGetProgramiv(prog, LOCAL_GL_LINK_STATUS, &success);
|
|
|
|
if (!success) {
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
fUseProgram(prog);
|
|
|
|
|
|
|
|
fEnableVertexAttribArray(0);
|
|
|
|
fEnableVertexAttribArray(1);
|
|
|
|
|
|
|
|
fVertexAttribPointer(0, 4, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, verts);
|
|
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, texcoords);
|
|
|
|
|
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
|
|
|
|
|
|
fUniform1i(fGetUniformLocation(prog, "uTexture"), 0);
|
|
|
|
|
|
|
|
fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
|
|
|
|
|
|
|
|
fDisableVertexAttribArray(1);
|
|
|
|
fDisableVertexAttribArray(0);
|
|
|
|
|
|
|
|
isurf = new gfxImageSurface(aSize, gfxASurface::ImageFormatARGB32);
|
|
|
|
if (!isurf || isurf->CairoStatus()) {
|
|
|
|
isurf = nsnull;
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (oldPackAlignment != 4)
|
|
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, 4);
|
|
|
|
|
|
|
|
fReadPixels(0, 0, aSize.width, aSize.height,
|
|
|
|
LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE,
|
|
|
|
isurf->Data());
|
|
|
|
|
|
|
|
if (oldPackAlignment != 4)
|
|
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, oldPackAlignment);
|
|
|
|
|
|
|
|
cleanup:
|
|
|
|
// note that deleting 0 has no effect in any of these calls
|
|
|
|
fDeleteRenderbuffers(1, &rb);
|
|
|
|
fDeleteFramebuffers(1, &fb);
|
|
|
|
fDeleteShader(vs);
|
|
|
|
fDeleteShader(fs);
|
|
|
|
fDeleteProgram(prog);
|
|
|
|
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, oldrb);
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, oldfb);
|
|
|
|
fUseProgram(oldprog);
|
2010-09-21 12:41:24 -07:00
|
|
|
|
|
|
|
PopViewportRect();
|
2010-08-06 22:09:18 -07:00
|
|
|
|
|
|
|
return isurf.forget();
|
|
|
|
}
|
|
|
|
|
2010-08-06 22:09:18 -07:00
|
|
|
void
|
|
|
|
GLContext::ReadPixelsIntoImageSurface(GLint aX, GLint aY,
|
|
|
|
GLsizei aWidth, GLsizei aHeight,
|
|
|
|
gfxImageSurface *aDest)
|
|
|
|
{
|
|
|
|
MakeCurrent();
|
|
|
|
|
|
|
|
if (aDest->Format() != gfxASurface::ImageFormatARGB32 &&
|
|
|
|
aDest->Format() != gfxASurface::ImageFormatRGB24)
|
|
|
|
{
|
|
|
|
NS_WARNING("ReadPixelsIntoImageSurface called with invalid image format");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (aDest->Width() != aWidth ||
|
|
|
|
aDest->Height() != aHeight ||
|
|
|
|
aDest->Stride() != aWidth * 4)
|
|
|
|
{
|
|
|
|
NS_WARNING("ReadPixelsIntoImageSurface called with wrong size or stride surface");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
GLint currentPackAlignment = 0;
|
|
|
|
fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, ¤tPackAlignment);
|
|
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, 4);
|
|
|
|
|
|
|
|
// defaults for desktop
|
|
|
|
GLenum format = LOCAL_GL_BGRA;
|
|
|
|
GLenum datatype = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
|
|
|
|
bool swap = false;
|
|
|
|
|
|
|
|
if (IsGLES2()) {
|
|
|
|
datatype = LOCAL_GL_UNSIGNED_BYTE;
|
|
|
|
|
|
|
|
if (IsExtensionSupported(gl::GLContext::EXT_read_format_bgra) ||
|
|
|
|
IsExtensionSupported(gl::GLContext::IMG_read_format) ||
|
|
|
|
IsExtensionSupported(gl::GLContext::EXT_bgra))
|
|
|
|
{
|
|
|
|
format = LOCAL_GL_BGRA;
|
|
|
|
} else {
|
|
|
|
format = LOCAL_GL_RGBA;
|
|
|
|
swap = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fReadPixels(0, 0, aWidth, aHeight,
|
|
|
|
format, datatype,
|
|
|
|
aDest->Data());
|
|
|
|
|
|
|
|
if (swap) {
|
|
|
|
// swap B and R bytes
|
|
|
|
for (int j = 0; j < aHeight; ++j) {
|
|
|
|
PRUint32 *row = (PRUint32*) (aDest->Data() + aDest->Stride() * j);
|
|
|
|
for (int i = 0; i < aWidth; ++i) {
|
|
|
|
*row = (*row & 0xff00ff00) | ((*row & 0xff) << 16) | ((*row & 0xff0000) >> 16);
|
|
|
|
row++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, currentPackAlignment);
|
|
|
|
}
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
void
|
|
|
|
GLContext::BlitTextureImage(TextureImage *aSrc, const nsIntRect& aSrcRect,
|
|
|
|
TextureImage *aDst, const nsIntRect& aDstRect)
|
|
|
|
{
|
|
|
|
NS_ASSERTION(!aSrc->InUpdate(), "Source texture is in update!");
|
|
|
|
NS_ASSERTION(!aDst->InUpdate(), "Destination texture is in update!");
|
|
|
|
|
2010-11-12 12:02:11 -08:00
|
|
|
// only save/restore this stuff on Qualcomm Adreno, to work
|
|
|
|
// around an apparent bug
|
|
|
|
int savedFb = 0;
|
|
|
|
if (mVendor == VendorQualcomm) {
|
|
|
|
fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, &savedFb);
|
|
|
|
}
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
fDisable(LOCAL_GL_SCISSOR_TEST);
|
|
|
|
fDisable(LOCAL_GL_BLEND);
|
|
|
|
|
|
|
|
SetBlitFramebufferForDestTexture(aDst->Texture());
|
|
|
|
|
|
|
|
UseBlitProgram();
|
|
|
|
|
|
|
|
nsIntSize srcSize = aSrc->GetSize();
|
|
|
|
nsIntSize dstSize = aDst->GetSize();
|
|
|
|
|
|
|
|
PushViewportRect(nsIntRect(0, 0, dstSize.width, dstSize.height));
|
|
|
|
|
|
|
|
float dx0 = 2.0 * float(aDstRect.x) / float(dstSize.width) - 1.0;
|
|
|
|
float dy0 = 2.0 * float(aDstRect.y) / float(dstSize.height) - 1.0;
|
|
|
|
float dx1 = 2.0 * float(aDstRect.x + aDstRect.width) / float(dstSize.width) - 1.0;
|
|
|
|
float dy1 = 2.0 * float(aDstRect.y + aDstRect.height) / float(dstSize.height) - 1.0;
|
|
|
|
|
2010-11-12 12:02:17 -08:00
|
|
|
RectTriangles rects;
|
2010-11-12 12:02:20 -08:00
|
|
|
if (aSrc->GetWrapMode() == LOCAL_GL_REPEAT) {
|
|
|
|
rects.addRect(/* dest rectangle */
|
|
|
|
dx0, dy0, dx1, dy1,
|
|
|
|
/* tex coords */
|
|
|
|
aSrcRect.x / float(srcSize.width),
|
|
|
|
aSrcRect.y / float(srcSize.height),
|
|
|
|
aSrcRect.XMost() / float(srcSize.width),
|
|
|
|
aSrcRect.YMost() / float(srcSize.height));
|
|
|
|
} else {
|
|
|
|
DecomposeIntoNoRepeatTriangles(aSrcRect, srcSize, rects);
|
|
|
|
|
|
|
|
// now put the coords into the d[xy]0 .. d[xy]1 coordinate space
|
|
|
|
// from the 0..1 that it comes out of decompose
|
|
|
|
GLfloat *v = rects.vertexCoords;
|
|
|
|
for (int i = 0; i < rects.numRects * 6; ++i) {
|
|
|
|
v[i*2] = (v[i*2] * (dx1 - dx0)) + dx0;
|
|
|
|
v[i*2+1] = (v[i*2+1] * (dy1 - dy0)) + dy0;
|
|
|
|
}
|
2010-11-12 12:02:17 -08:00
|
|
|
}
|
2010-09-21 12:41:24 -07:00
|
|
|
|
2010-11-12 12:02:20 -08:00
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aSrc->Texture());
|
|
|
|
|
|
|
|
fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
|
|
|
|
|
2010-11-12 12:02:20 -08:00
|
|
|
fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, rects.vertexCoords);
|
|
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, rects.texCoords);
|
2010-09-21 12:41:24 -07:00
|
|
|
|
|
|
|
fEnableVertexAttribArray(0);
|
|
|
|
fEnableVertexAttribArray(1);
|
|
|
|
|
2010-11-12 12:02:17 -08:00
|
|
|
fDrawArrays(LOCAL_GL_TRIANGLES, 0, rects.numRects * 6);
|
2010-09-21 12:41:24 -07:00
|
|
|
|
|
|
|
fDisableVertexAttribArray(0);
|
|
|
|
fDisableVertexAttribArray(1);
|
|
|
|
|
|
|
|
fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, NULL);
|
|
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, NULL);
|
|
|
|
|
2010-11-12 12:02:11 -08:00
|
|
|
// unbind the previous texture from the framebuffer
|
2010-09-21 12:41:24 -07:00
|
|
|
SetBlitFramebufferForDestTexture(0);
|
|
|
|
|
2010-11-12 12:02:11 -08:00
|
|
|
// then put back the previous framebuffer, and don't
|
|
|
|
// enable stencil if it wasn't enabled on entry to work
|
|
|
|
// around Adreno 200 bug that causes us to crash if
|
|
|
|
// we enable scissor test while the current FBO is invalid
|
|
|
|
// (which it will be, once we assign texture 0 to the color
|
|
|
|
// attachment)
|
|
|
|
if (mVendor == VendorQualcomm) {
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, savedFb);
|
|
|
|
}
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
fEnable(LOCAL_GL_SCISSOR_TEST);
|
|
|
|
fEnable(LOCAL_GL_BLEND);
|
|
|
|
|
|
|
|
PopViewportRect();
|
|
|
|
}
|
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
static unsigned int
|
|
|
|
DataOffset(gfxImageSurface *aSurf, const nsIntPoint &aPoint)
|
|
|
|
{
|
|
|
|
unsigned int data = aPoint.y * aSurf->Stride();
|
|
|
|
data += aPoint.x * gfxASurface::BytePerPixelFromFormat(aSurf->Format());
|
|
|
|
return data;
|
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
|
|
|
ShaderProgramType
|
|
|
|
GLContext::UploadSurfaceToTexture(gfxASurface *aSurface,
|
2011-01-17 17:32:40 -08:00
|
|
|
const nsIntRegion& aDstRegion,
|
2010-12-16 23:23:07 -08:00
|
|
|
GLuint& aTexture,
|
|
|
|
bool aOverwrite,
|
2011-01-17 17:32:40 -08:00
|
|
|
const nsIntPoint& aSrcPoint,
|
2010-12-16 23:49:42 -08:00
|
|
|
bool aPixelBuffer)
|
2010-12-16 23:23:07 -08:00
|
|
|
{
|
2011-01-17 13:50:02 -08:00
|
|
|
bool textureInited = aOverwrite ? false : true;
|
|
|
|
MakeCurrent();
|
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
2010-12-16 23:29:23 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
if (!aTexture) {
|
|
|
|
fGenTextures(1, &aTexture);
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
|
|
LOCAL_GL_TEXTURE_MIN_FILTER,
|
|
|
|
LOCAL_GL_LINEAR);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
|
|
LOCAL_GL_TEXTURE_MAG_FILTER,
|
|
|
|
LOCAL_GL_LINEAR);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
|
|
LOCAL_GL_TEXTURE_WRAP_S,
|
|
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
|
|
LOCAL_GL_TEXTURE_WRAP_T,
|
|
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
|
|
textureInited = false;
|
|
|
|
} else {
|
|
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
nsIntRegion paintRegion;
|
|
|
|
if (!textureInited) {
|
|
|
|
paintRegion = nsIntRegion(aDstRegion.GetBounds());
|
|
|
|
} else {
|
|
|
|
paintRegion = aDstRegion;
|
|
|
|
}
|
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
nsRefPtr<gfxImageSurface> imageSurface = aSurface->GetAsImageSurface();
|
|
|
|
unsigned char* data = NULL;
|
|
|
|
|
|
|
|
if (!imageSurface ||
|
|
|
|
(imageSurface->Format() != gfxASurface::ImageFormatARGB32 &&
|
|
|
|
imageSurface->Format() != gfxASurface::ImageFormatRGB24 &&
|
|
|
|
imageSurface->Format() != gfxASurface::ImageFormatRGB16_565)) {
|
|
|
|
// We can't get suitable pixel data for the surface, make a copy
|
2011-01-17 17:32:40 -08:00
|
|
|
nsIntRect bounds = aDstRegion.GetBounds();
|
2011-01-17 13:50:02 -08:00
|
|
|
imageSurface =
|
2011-01-17 17:32:40 -08:00
|
|
|
new gfxImageSurface(gfxIntSize(bounds.width, bounds.height),
|
2011-01-17 13:50:02 -08:00
|
|
|
gfxASurface::ImageFormatARGB32);
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
|
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
context->Translate(-gfxPoint(aSrcPoint.x, aSrcPoint.y));
|
2011-01-17 13:50:02 -08:00
|
|
|
context->SetSource(aSurface);
|
|
|
|
context->Paint();
|
|
|
|
data = imageSurface->Data();
|
|
|
|
NS_ASSERTION(!aPixelBuffer,
|
|
|
|
"Must be using an image compatible surface with pixel buffers!");
|
|
|
|
} else {
|
|
|
|
// If a pixel buffer is bound the data pointer parameter is relative
|
|
|
|
// to the start of the data block.
|
|
|
|
if (!aPixelBuffer) {
|
|
|
|
data = imageSurface->Data();
|
|
|
|
}
|
2011-01-17 17:32:40 -08:00
|
|
|
data += DataOffset(imageSurface, aSrcPoint);
|
2010-12-18 16:11:19 -08:00
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
GLenum format;
|
|
|
|
GLenum internalformat;
|
|
|
|
GLenum type;
|
|
|
|
PRInt32 pixelSize = gfxASurface::BytePerPixelFromFormat(imageSurface->Format());
|
|
|
|
ShaderProgramType shader;
|
|
|
|
|
|
|
|
switch (imageSurface->Format()) {
|
|
|
|
case gfxASurface::ImageFormatARGB32:
|
|
|
|
format = LOCAL_GL_RGBA;
|
|
|
|
type = LOCAL_GL_UNSIGNED_BYTE;
|
|
|
|
shader = BGRALayerProgramType;
|
|
|
|
break;
|
|
|
|
case gfxASurface::ImageFormatRGB24:
|
|
|
|
// Treat RGB24 surfaces as RGBA32 except for the shader
|
|
|
|
// program used.
|
|
|
|
format = LOCAL_GL_RGBA;
|
|
|
|
type = LOCAL_GL_UNSIGNED_BYTE;
|
|
|
|
shader = BGRXLayerProgramType;
|
|
|
|
break;
|
|
|
|
case gfxASurface::ImageFormatRGB16_565:
|
|
|
|
format = LOCAL_GL_RGB;
|
|
|
|
type = LOCAL_GL_UNSIGNED_SHORT_5_6_5;
|
|
|
|
shader = RGBALayerProgramType;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
NS_ASSERTION(false, "Unhandled image surface format!");
|
|
|
|
format = 0;
|
|
|
|
type = 0;
|
|
|
|
shader = ShaderProgramType(0);
|
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
|
|
|
#ifndef USE_GLES2
|
2011-01-17 13:50:02 -08:00
|
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH,
|
|
|
|
imageSurface->Stride() / pixelSize);
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
internalformat = LOCAL_GL_RGBA;
|
2010-12-16 23:23:07 -08:00
|
|
|
#else
|
2011-01-17 13:50:02 -08:00
|
|
|
internalformat = format;
|
2011-01-17 17:32:40 -08:00
|
|
|
#endif
|
2011-01-17 13:50:02 -08:00
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
nsIntRegionRectIterator iter(paintRegion);
|
|
|
|
const nsIntRect *iterRect;
|
|
|
|
|
|
|
|
// Top left point of the region's bounding rectangle.
|
|
|
|
nsIntPoint topLeft = paintRegion.GetBounds().TopLeft();
|
|
|
|
|
|
|
|
while ((iterRect = iter.Next())) {
|
|
|
|
// The inital data pointer is at the top left point of the region's
|
|
|
|
// bounding rectangle. We need to find the offset of this rect
|
|
|
|
// within the region and adjust the data pointer accordingly.
|
|
|
|
unsigned char *rectData =
|
|
|
|
data + DataOffset(imageSurface, iterRect->TopLeft() - topLeft);
|
|
|
|
|
|
|
|
#ifdef USE_GLES2
|
|
|
|
if (imageSurface->Stride() != iterRect->width * pixelSize) {
|
|
|
|
// Not using the whole row of texture data and GLES doesn't
|
|
|
|
// support GL_UNPACK_ROW_LENGTH. We need to upload each row
|
|
|
|
// separately.
|
|
|
|
if (!textureInited) {
|
|
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
internalformat,
|
|
|
|
iterRect->width,
|
|
|
|
iterRect->height,
|
|
|
|
0,
|
|
|
|
format,
|
|
|
|
type,
|
|
|
|
NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (int h = 0; h < iterRect->height; h++) {
|
|
|
|
fTexSubImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
iterRect->x,
|
|
|
|
iterRect->y+h,
|
|
|
|
iterRect->width,
|
|
|
|
1,
|
|
|
|
format,
|
|
|
|
type,
|
|
|
|
rectData);
|
|
|
|
rectData += imageSurface->Stride();
|
|
|
|
}
|
|
|
|
|
|
|
|
continue;
|
2011-01-17 13:50:02 -08:00
|
|
|
}
|
2011-01-17 17:32:40 -08:00
|
|
|
#endif
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 17:32:40 -08:00
|
|
|
if (textureInited) {
|
2011-01-17 13:50:02 -08:00
|
|
|
fTexSubImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
2011-01-17 17:32:40 -08:00
|
|
|
iterRect->x,
|
|
|
|
iterRect->y,
|
|
|
|
iterRect->width,
|
|
|
|
iterRect->height,
|
2011-01-17 13:50:02 -08:00
|
|
|
format,
|
|
|
|
type,
|
2011-01-17 17:32:40 -08:00
|
|
|
rectData);
|
|
|
|
} else {
|
|
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
|
|
0,
|
|
|
|
internalformat,
|
|
|
|
iterRect->width,
|
|
|
|
iterRect->height,
|
|
|
|
0,
|
|
|
|
format,
|
|
|
|
type,
|
|
|
|
rectData);
|
2011-01-17 13:50:02 -08:00
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
}
|
2010-12-16 23:23:07 -08:00
|
|
|
|
|
|
|
#ifndef USE_GLES2
|
2011-01-17 13:50:02 -08:00
|
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
|
2010-12-16 23:23:07 -08:00
|
|
|
#endif
|
|
|
|
|
2011-01-17 13:50:02 -08:00
|
|
|
return shader;
|
2010-12-16 23:23:07 -08:00
|
|
|
}
|
|
|
|
|
2010-11-12 12:02:17 -08:00
|
|
|
void
|
|
|
|
GLContext::RectTriangles::addRect(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1,
|
|
|
|
GLfloat tx0, GLfloat ty0, GLfloat tx1, GLfloat ty1)
|
|
|
|
{
|
|
|
|
NS_ASSERTION(numRects < 4, "Overflow in number of rectangles, max 4!");
|
|
|
|
|
|
|
|
GLfloat *v = &vertexCoords[numRects*6*2];
|
|
|
|
GLfloat *t = &texCoords[numRects*6*2];
|
|
|
|
|
|
|
|
*v++ = x0; *v++ = y0;
|
|
|
|
*v++ = x1; *v++ = y0;
|
|
|
|
*v++ = x0; *v++ = y1;
|
|
|
|
|
|
|
|
*v++ = x0; *v++ = y1;
|
|
|
|
*v++ = x1; *v++ = y0;
|
|
|
|
*v++ = x1; *v++ = y1;
|
|
|
|
|
|
|
|
*t++ = tx0; *t++ = ty0;
|
|
|
|
*t++ = tx1; *t++ = ty0;
|
|
|
|
*t++ = tx0; *t++ = ty1;
|
|
|
|
|
|
|
|
*t++ = tx0; *t++ = ty1;
|
|
|
|
*t++ = tx1; *t++ = ty0;
|
|
|
|
*t++ = tx1; *t++ = ty1;
|
|
|
|
|
|
|
|
numRects++;
|
|
|
|
}
|
|
|
|
|
|
|
|
static GLfloat
|
|
|
|
WrapTexCoord(GLfloat v)
|
|
|
|
{
|
|
|
|
// fmodf gives negative results for negative numbers;
|
|
|
|
// that is, fmodf(0.75, 1.0) == 0.75, but
|
|
|
|
// fmodf(-0.75, 1.0) == -0.75. For the negative case,
|
|
|
|
// the result we need is 0.25, so we add 1.0f.
|
|
|
|
if (v < 0.0f) {
|
|
|
|
return 1.0f + fmodf(v, 1.0f);
|
|
|
|
}
|
|
|
|
|
|
|
|
return fmodf(v, 1.0f);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DecomposeIntoNoRepeatTriangles(const nsIntRect& aTexCoordRect,
|
|
|
|
const nsIntSize& aTexSize,
|
|
|
|
RectTriangles& aRects)
|
|
|
|
{
|
|
|
|
// normalize this
|
|
|
|
nsIntRect tcr(aTexCoordRect);
|
|
|
|
while (tcr.x > aTexSize.width)
|
|
|
|
tcr.x -= aTexSize.width;
|
|
|
|
while (tcr.y > aTexSize.height)
|
|
|
|
tcr.y -= aTexSize.height;
|
|
|
|
|
|
|
|
// Compute top left and bottom right tex coordinates
|
|
|
|
GLfloat tl[2] =
|
|
|
|
{ GLfloat(tcr.x) / GLfloat(aTexSize.width),
|
|
|
|
GLfloat(tcr.y) / GLfloat(aTexSize.height) };
|
|
|
|
GLfloat br[2] =
|
|
|
|
{ GLfloat(tcr.XMost()) / GLfloat(aTexSize.width),
|
|
|
|
GLfloat(tcr.YMost()) / GLfloat(aTexSize.height) };
|
|
|
|
|
|
|
|
// then check if we wrap in either the x or y axis; if we do,
|
|
|
|
// then also use fmod to figure out the "true" non-wrapping
|
|
|
|
// texture coordinates.
|
|
|
|
|
|
|
|
bool xwrap = false, ywrap = false;
|
|
|
|
if (tcr.x < 0 || tcr.x > aTexSize.width ||
|
|
|
|
tcr.XMost() < 0 || tcr.XMost() > aTexSize.width)
|
|
|
|
{
|
|
|
|
xwrap = true;
|
|
|
|
tl[0] = WrapTexCoord(tl[0]);
|
|
|
|
br[0] = WrapTexCoord(br[0]);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (tcr.y < 0 || tcr.y > aTexSize.height ||
|
|
|
|
tcr.YMost() < 0 || tcr.YMost() > aTexSize.height)
|
|
|
|
{
|
|
|
|
ywrap = true;
|
|
|
|
tl[1] = WrapTexCoord(tl[1]);
|
|
|
|
br[1] = WrapTexCoord(br[1]);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_ASSERTION(tl[0] >= 0.0f && tl[0] <= 1.0f &&
|
|
|
|
tl[1] >= 0.0f && tl[1] <= 1.0f &&
|
|
|
|
br[0] >= 0.0f && br[0] <= 1.0f &&
|
|
|
|
br[1] >= 0.0f && br[1] <= 1.0f,
|
|
|
|
"Somehow generated invalid texture coordinates");
|
|
|
|
|
|
|
|
// If xwrap is false, the texture will be sampled from tl[0]
|
|
|
|
// .. br[0]. If xwrap is true, then it will be split into tl[0]
|
|
|
|
// .. 1.0, and 0.0 .. br[0]. Same for the Y axis. The
|
|
|
|
// destination rectangle is also split appropriately, according
|
|
|
|
// to the calculated xmid/ymid values.
|
|
|
|
|
|
|
|
// There isn't a 1:1 mapping between tex coords and destination coords;
|
|
|
|
// when computing midpoints, we have to take that into account. We
|
|
|
|
// need to map the texture coords, which are (in the wrap case):
|
|
|
|
// |tl->1| and |0->br| to the |0->1| range of the vertex coords. So
|
|
|
|
// we have the length (1-tl)+(br) that needs to map into 0->1.
|
|
|
|
// These are only valid if there is wrap involved, they won't be used
|
|
|
|
// otherwise.
|
|
|
|
GLfloat xlen = (1.0f - tl[0]) + br[0];
|
|
|
|
GLfloat ylen = (1.0f - tl[1]) + br[1];
|
|
|
|
|
|
|
|
NS_ASSERTION(!xwrap || xlen > 0.0f, "xlen isn't > 0, what's going on?");
|
|
|
|
NS_ASSERTION(!ywrap || ylen > 0.0f, "ylen isn't > 0, what's going on?");
|
|
|
|
NS_ASSERTION(aTexCoordRect.width <= aTexSize.width &&
|
|
|
|
aTexCoordRect.height <= aTexSize.height, "tex coord rect would cause tiling!");
|
|
|
|
|
|
|
|
if (!xwrap && !ywrap) {
|
|
|
|
aRects.addRect(0.0f, 0.0f, 1.0f, 1.0f,
|
|
|
|
tl[0], tl[1], br[0], br[1]);
|
|
|
|
} else if (!xwrap && ywrap) {
|
|
|
|
GLfloat ymid = (1.0f - tl[1]) / ylen;
|
|
|
|
aRects.addRect(0.0f, 0.0f,
|
|
|
|
1.0f, ymid,
|
|
|
|
tl[0], tl[1],
|
|
|
|
br[0], 1.0f);
|
|
|
|
aRects.addRect(0.0f, ymid,
|
|
|
|
1.0f, 1.0f,
|
|
|
|
tl[0], 0.0f,
|
|
|
|
br[0], br[1]);
|
|
|
|
} else if (xwrap && !ywrap) {
|
|
|
|
GLfloat xmid = (1.0f - tl[0]) / xlen;
|
|
|
|
aRects.addRect(0.0f, 0.0f,
|
|
|
|
xmid, 1.0f,
|
|
|
|
tl[0], tl[1],
|
|
|
|
1.0f, br[1]);
|
|
|
|
aRects.addRect(xmid, 0.0f,
|
|
|
|
1.0f, 1.0f,
|
|
|
|
0.0f, tl[1],
|
|
|
|
br[0], br[1]);
|
|
|
|
} else {
|
|
|
|
GLfloat xmid = (1.0f - tl[0]) / xlen;
|
|
|
|
GLfloat ymid = (1.0f - tl[1]) / ylen;
|
|
|
|
aRects.addRect(0.0f, 0.0f,
|
|
|
|
xmid, ymid,
|
|
|
|
tl[0], tl[1],
|
|
|
|
1.0f, 1.0f);
|
|
|
|
aRects.addRect(xmid, 0.0f,
|
|
|
|
1.0f, ymid,
|
|
|
|
0.0f, tl[1],
|
|
|
|
br[0], 1.0f);
|
|
|
|
aRects.addRect(0.0f, ymid,
|
|
|
|
xmid, 1.0f,
|
|
|
|
tl[0], 0.0f,
|
|
|
|
1.0f, br[1]);
|
|
|
|
aRects.addRect(xmid, ymid,
|
|
|
|
1.0f, 1.0f,
|
|
|
|
0.0f, 0.0f,
|
|
|
|
br[0], br[1]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-09-21 12:41:24 -07:00
|
|
|
void
|
|
|
|
GLContext::UseBlitProgram()
|
|
|
|
{
|
|
|
|
if (mBlitProgram) {
|
|
|
|
fUseProgram(mBlitProgram);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
mBlitProgram = fCreateProgram();
|
|
|
|
|
|
|
|
GLuint shaders[2];
|
|
|
|
shaders[0] = fCreateShader(LOCAL_GL_VERTEX_SHADER);
|
|
|
|
shaders[1] = fCreateShader(LOCAL_GL_FRAGMENT_SHADER);
|
|
|
|
|
|
|
|
const char *blitVSSrc =
|
|
|
|
"attribute vec2 aVertex;"
|
|
|
|
"attribute vec2 aTexCoord;"
|
|
|
|
"varying vec2 vTexCoord;"
|
|
|
|
"void main() {"
|
|
|
|
" vTexCoord = aTexCoord;"
|
|
|
|
" gl_Position = vec4(aVertex, 0.0, 1.0);"
|
|
|
|
"}";
|
|
|
|
const char *blitFSSrc = "#ifdef GL_ES\nprecision mediump float;\n#endif\n"
|
|
|
|
"uniform sampler2D uSrcTexture;"
|
|
|
|
"varying vec2 vTexCoord;"
|
|
|
|
"void main() {"
|
|
|
|
" gl_FragColor = texture2D(uSrcTexture, vTexCoord);"
|
|
|
|
"}";
|
|
|
|
|
|
|
|
fShaderSource(shaders[0], 1, (const GLchar**) &blitVSSrc, NULL);
|
|
|
|
fShaderSource(shaders[1], 1, (const GLchar**) &blitFSSrc, NULL);
|
|
|
|
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
|
|
GLint success, len = 0;
|
|
|
|
|
|
|
|
fCompileShader(shaders[i]);
|
|
|
|
fGetShaderiv(shaders[i], LOCAL_GL_COMPILE_STATUS, &success);
|
|
|
|
NS_ASSERTION(success, "Shader compilation failed!");
|
|
|
|
|
|
|
|
if (!success) {
|
|
|
|
nsCAutoString log;
|
|
|
|
fGetShaderiv(shaders[i], LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
|
|
log.SetCapacity(len);
|
|
|
|
fGetShaderInfoLog(shaders[i], len, (GLint*) &len, (char*) log.BeginWriting());
|
|
|
|
log.SetLength(len);
|
|
|
|
|
|
|
|
printf_stderr("Shader %d compilation failed:\n%s\n", nsPromiseFlatCString(log).get());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
fAttachShader(mBlitProgram, shaders[i]);
|
|
|
|
fDeleteShader(shaders[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
fBindAttribLocation(mBlitProgram, 0, "aVertex");
|
|
|
|
fBindAttribLocation(mBlitProgram, 1, "aTexCoord");
|
|
|
|
|
|
|
|
fLinkProgram(mBlitProgram);
|
|
|
|
|
|
|
|
GLint success, len = 0;
|
|
|
|
fGetProgramiv(mBlitProgram, LOCAL_GL_LINK_STATUS, &success);
|
|
|
|
NS_ASSERTION(success, "Shader linking failed!");
|
|
|
|
|
|
|
|
if (!success) {
|
|
|
|
nsCAutoString log;
|
|
|
|
fGetProgramiv(mBlitProgram, LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
|
|
log.SetCapacity(len);
|
|
|
|
fGetProgramInfoLog(mBlitProgram, len, (GLint*) &len, (char*) log.BeginWriting());
|
|
|
|
log.SetLength(len);
|
|
|
|
|
|
|
|
printf_stderr("Program linking failed:\n%s\n", nsPromiseFlatCString(log).get());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
fUseProgram(mBlitProgram);
|
|
|
|
fUniform1i(fGetUniformLocation(mBlitProgram, "uSrcTexture"), 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::SetBlitFramebufferForDestTexture(GLuint aTexture)
|
|
|
|
{
|
|
|
|
if (!mBlitFramebuffer) {
|
|
|
|
fGenFramebuffers(1, &mBlitFramebuffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mBlitFramebuffer);
|
|
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
|
|
|
|
LOCAL_GL_COLOR_ATTACHMENT0,
|
|
|
|
LOCAL_GL_TEXTURE_2D,
|
|
|
|
aTexture,
|
|
|
|
0);
|
|
|
|
|
|
|
|
if (aTexture) {
|
|
|
|
GLenum status = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
|
|
|
|
|
|
// Note: if you are hitting this assertion, it is likely that
|
|
|
|
// your texture is not texture complete -- that is, you
|
|
|
|
// allocated a texture name, but didn't actually define its
|
|
|
|
// size via a call to TexImage2D.
|
|
|
|
NS_ASSERTION(status == LOCAL_GL_FRAMEBUFFER_COMPLETE, "Framebuffer not complete!");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
#ifdef DEBUG
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedProgram(GLContext *aOrigin, GLuint aName)
|
|
|
|
{
|
|
|
|
mTrackedPrograms.AppendElement(NamedResource(aOrigin, aName));
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedShader(GLContext *aOrigin, GLuint aName)
|
|
|
|
{
|
|
|
|
mTrackedShaders.AppendElement(NamedResource(aOrigin, aName));
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
|
|
mTrackedBuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
|
|
mTrackedTextures.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
|
|
mTrackedFramebuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::CreatedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
|
|
mTrackedRenderbuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
RemoveNamesFromArray(GLContext *aOrigin, GLsizei aCount, GLuint *aNames, nsTArray<GLContext::NamedResource>& aArray)
|
|
|
|
{
|
|
|
|
for (GLsizei j = 0; j < aCount; ++j) {
|
|
|
|
GLuint name = aNames[j];
|
2010-09-05 13:37:52 -07:00
|
|
|
// name 0 can be ignored
|
|
|
|
if (name == 0)
|
|
|
|
continue;
|
|
|
|
|
2010-07-18 22:01:14 -07:00
|
|
|
PRBool found = PR_FALSE;
|
|
|
|
for (PRUint32 i = 0; i < aArray.Length(); ++i) {
|
|
|
|
if (aArray[i].name == name) {
|
|
|
|
aArray.RemoveElementAt(i);
|
|
|
|
found = PR_TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2010-09-05 13:37:52 -07:00
|
|
|
#ifdef DEBUG
|
|
|
|
if (!found) {
|
|
|
|
printf_stderr("GL Context %p deleting resource %d, which doesn't exist!\n", aOrigin, name);
|
|
|
|
}
|
|
|
|
#endif
|
2010-07-18 22:01:14 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedProgram(GLContext *aOrigin, GLuint aName)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedPrograms);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedShader(GLContext *aOrigin, GLuint aName)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedShaders);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedBuffers);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedTextures);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedFramebuffers);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::DeletedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
|
|
{
|
|
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedRenderbuffers);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
MarkContextDestroyedInArray(GLContext *aContext, nsTArray<GLContext::NamedResource>& aArray)
|
|
|
|
{
|
|
|
|
for (PRUint32 i = 0; i < aArray.Length(); ++i) {
|
|
|
|
if (aArray[i].origin == aContext)
|
|
|
|
aArray[i].originDeleted = PR_TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::SharedContextDestroyed(GLContext *aChild)
|
|
|
|
{
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedPrograms);
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedShaders);
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedTextures);
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedFramebuffers);
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedRenderbuffers);
|
|
|
|
MarkContextDestroyedInArray(aChild, mTrackedBuffers);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
ReportArrayContents(const nsTArray<GLContext::NamedResource>& aArray)
|
|
|
|
{
|
|
|
|
nsTArray<GLContext::NamedResource> copy(aArray);
|
|
|
|
copy.Sort();
|
|
|
|
|
|
|
|
GLContext *lastContext = NULL;
|
|
|
|
for (PRUint32 i = 0; i < copy.Length(); ++i) {
|
|
|
|
if (lastContext != copy[i].origin) {
|
|
|
|
if (lastContext)
|
|
|
|
printf_stderr("\n");
|
|
|
|
printf_stderr(" [%p - %s] ", copy[i].origin, copy[i].originDeleted ? "deleted" : "live");
|
|
|
|
lastContext = copy[i].origin;
|
|
|
|
}
|
|
|
|
printf_stderr("%d ", copy[i].name);
|
|
|
|
}
|
|
|
|
printf_stderr("\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
GLContext::ReportOutstandingNames()
|
|
|
|
{
|
|
|
|
printf_stderr("== GLContext %p ==\n", this);
|
|
|
|
printf_stderr("Outstanding Textures:\n");
|
|
|
|
ReportArrayContents(mTrackedTextures);
|
|
|
|
printf_stderr("Outstanding Buffers:\n");
|
|
|
|
ReportArrayContents(mTrackedBuffers);
|
|
|
|
printf_stderr("Outstanding Programs:\n");
|
|
|
|
ReportArrayContents(mTrackedPrograms);
|
|
|
|
printf_stderr("Outstanding Shaders:\n");
|
|
|
|
ReportArrayContents(mTrackedShaders);
|
|
|
|
printf_stderr("Outstanding Framebuffers:\n");
|
|
|
|
ReportArrayContents(mTrackedFramebuffers);
|
|
|
|
printf_stderr("Outstanding Renderbuffers:\n");
|
|
|
|
ReportArrayContents(mTrackedRenderbuffers);
|
|
|
|
}
|
|
|
|
|
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|
|
#endif /* DEBUG */
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2010-04-26 19:09:44 -07:00
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} /* namespace gl */
|
|
|
|
} /* namespace mozilla */
|